California Air Resources Board

Lawsuit against California emissions regulations dismissed
CARB approves compliance extensions for contractors, small fleets in work truck powertrain upgrade regulations
CARB to hold public hearing on proposed adjustments for work truck DPF requirements
CARB proposes compliance extensions and delays for contractors, small fleets in powertrain upgrade regulations
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With CARB's powertrain upgrade regulation taking effect for all pre-2007 engines on Jan. 1, many smaller fleets have a decision to make
AGC: Objections to original CARB proposal saved contractors $9 billion
On Record
Tier 4 rules for gensets and compressors